MESON Chess Problem Database

Problem Display
PID: 97885 (1R3n2/p1B5/2P1p3/PPk1Np2/1p1n1N2/8/6R1/1K3B1Q w - - 0 1)

Gvozdjak, Peter

Lehen, Ludovit

2nd HM., Problemas, 1994

1R3n2/p1B5/2P1p3/PPk1Np2/1p1n1N2/8/6R1/1K3B1Q

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg6
      • 2.Sd7#
    • 1...Sd7
      • 2.Sxd7#
    • 1...Sh7
      • 2.Sd7#
  • Tries
    • 1.Rd8?
      • threat
        • 2.Bd6#
      • 1...Sxb5
        • 2.Sfd3#
      • 1...Sxc6
        • 2.Rc2#
      • 1...Sc2
        • 2.Rxc2#
      • 1...Sb3
        • 2.Rc2#
      • 1...Sf3
        • 2.Rc2#
      • 1...Sd7
        • 2.Sxd7#
      • 1...Se2!
  • Keys
    • 1.Rd2!
      • threat
        • 2.Sfd3#
      • 1...Sxb5
        • 2.Rxb5#
      • 1...Sxc6
        • 2.Bd6#
        • 2.Qxc6#
      • 1...Sc2
        • 2.Bd6#
      • 1...Se2
        • 2.Bd6#
      • 1...Sb3
        • 2.Bd6#
      • 1...Sf3
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • S(g);N_GUARD::S(H)
    • S(g);N_GUARD::S(H),XS(g)
  • Tries
    • Try
      • R(K);
      • Threat
        • B(J)
      • Vars
        • S(b);SBLOCK,XP(G)::S(E)
        • S(b);N_GUARD,XP(I)::R(D)
        • S(b);N_GUARD::R(D),XS(b)
        • S(b);N_GUARD::R(D)
        • S(g);N_GUARD::S(H),XS(g)
      • Refutation
        • S(b);
  • Actual
    • R(D);
    • Threat
      • S(E)
    • Vars
      • S(b);OGATE,XP(G)::R1(K),XS(b)
      • S(b);::B(J)
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